{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DKEL44IMMITS5ZNICMSVLSIOKD","short_pith_number":"pith:DKEL44IM","canonical_record":{"source":{"id":"1810.01900","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-10-03T18:13:49Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"f167116dbde28cdc83d944db1a7f1ae95d364f34dfb61fc1e764cb29a0c32404","abstract_canon_sha256":"0d283df863104ac5d5cf4c717cef6addff9f1441958f18c3fce12c0337f8f6f2"},"schema_version":"1.0"},"canonical_sha256":"1a88be710c62272ee5a8132555c90e50f40064755e6cfee63e41b59e851e3960","source":{"kind":"arxiv","id":"1810.01900","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.01900","created_at":"2026-05-18T00:00:47Z"},{"alias_kind":"arxiv_version","alias_value":"1810.01900v1","created_at":"2026-05-18T00:00:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.01900","created_at":"2026-05-18T00:00:47Z"},{"alias_kind":"pith_short_12","alias_value":"DKEL44IMMITS","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DKEL44IMMITS5ZNI","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DKEL44IM","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DKEL44IMMITS5ZNICMSVLSIOKD","target":"record","payload":{"canonical_record":{"source":{"id":"1810.01900","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-10-03T18:13:49Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"f167116dbde28cdc83d944db1a7f1ae95d364f34dfb61fc1e764cb29a0c32404","abstract_canon_sha256":"0d283df863104ac5d5cf4c717cef6addff9f1441958f18c3fce12c0337f8f6f2"},"schema_version":"1.0"},"canonical_sha256":"1a88be710c62272ee5a8132555c90e50f40064755e6cfee63e41b59e851e3960","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:47.635301Z","signature_b64":"kEJkUNcDqj/feS1SdMhIF3KgH8TYlUViDqaBFyATZUGHDMTE63W1wrY1xIrD+8kxWN1oU5z8A2F8I9Hu2md1AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1a88be710c62272ee5a8132555c90e50f40064755e6cfee63e41b59e851e3960","last_reissued_at":"2026-05-18T00:00:47.634805Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:47.634805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.01900","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:00:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rSQ1WKnM1HHUoq/PWQOjBdT78QwvBuO0XzcTC0w/4URjTIkE19A49ovRQ20Vz1ua8fJZQkmBa2vXpmbXSQIbAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T15:27:27.627450Z"},"content_sha256":"5f7e032962c42d703ae1ec03eb96d9c8fbdf12ef3489c2542fd60487ee9bc854","schema_version":"1.0","event_id":"sha256:5f7e032962c42d703ae1ec03eb96d9c8fbdf12ef3489c2542fd60487ee9bc854"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DKEL44IMMITS5ZNICMSVLSIOKD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kinetic Scalar Curvature Extended $f(R)$ Gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"A.V. Nikolaev, S.D. Odintsov, S.V. Chervon, T.I. Mayorova, V.K. Oikonomou","submitted_at":"2018-10-03T18:13:49Z","abstract_excerpt":"In this work we study a modified version of vacuum $f(R)$ gravity with a kinetic term which consists of the first derivatives of the Ricci scalar. We develop the general formalism of this kinetic Ricci modified $f(R)$ gravity and we emphasize on cosmological applications for a spatially flat cosmological background. By using the formalism of this theory, we investigate how it is possible to realize various cosmological scenarios. Also we demonstrate that this theoretical framework can be treated as a reconstruction method, in the context of which it is possible to realize various exotic cosmol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.01900","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:00:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xmd+KaHz2utZlV8xS/jlNWcE2nDimOHldwXcYP4Ajw6/1PFDp6I85fnech0COS69s0nPM1CztsLQgGe7AHHuBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T15:27:27.627796Z"},"content_sha256":"69a370567330c2e18104a7f5fe7208b8a7317ab5020834ab96cb10778e6c3470","schema_version":"1.0","event_id":"sha256:69a370567330c2e18104a7f5fe7208b8a7317ab5020834ab96cb10778e6c3470"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DKEL44IMMITS5ZNICMSVLSIOKD/bundle.json","state_url":"https://pith.science/pith/DKEL44IMMITS5ZNICMSVLSIOKD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DKEL44IMMITS5ZNICMSVLSIOKD/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-27T15:27:27Z","links":{"resolver":"https://pith.science/pith/DKEL44IMMITS5ZNICMSVLSIOKD","bundle":"https://pith.science/pith/DKEL44IMMITS5ZNICMSVLSIOKD/bundle.json","state":"https://pith.science/pith/DKEL44IMMITS5ZNICMSVLSIOKD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DKEL44IMMITS5ZNICMSVLSIOKD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DKEL44IMMITS5ZNICMSVLSIOKD","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"0d283df863104ac5d5cf4c717cef6addff9f1441958f18c3fce12c0337f8f6f2","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-10-03T18:13:49Z","title_canon_sha256":"f167116dbde28cdc83d944db1a7f1ae95d364f34dfb61fc1e764cb29a0c32404"},"schema_version":"1.0","source":{"id":"1810.01900","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.01900","created_at":"2026-05-18T00:00:47Z"},{"alias_kind":"arxiv_version","alias_value":"1810.01900v1","created_at":"2026-05-18T00:00:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.01900","created_at":"2026-05-18T00:00:47Z"},{"alias_kind":"pith_short_12","alias_value":"DKEL44IMMITS","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DKEL44IMMITS5ZNI","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DKEL44IM","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:69a370567330c2e18104a7f5fe7208b8a7317ab5020834ab96cb10778e6c3470","target":"graph","created_at":"2026-05-18T00:00:47Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"In this work we study a modified version of vacuum $f(R)$ gravity with a kinetic term which consists of the first derivatives of the Ricci scalar. We develop the general formalism of this kinetic Ricci modified $f(R)$ gravity and we emphasize on cosmological applications for a spatially flat cosmological background. By using the formalism of this theory, we investigate how it is possible to realize various cosmological scenarios. Also we demonstrate that this theoretical framework can be treated as a reconstruction method, in the context of which it is possible to realize various exotic cosmol","authors_text":"A.V. Nikolaev, S.D. Odintsov, S.V. Chervon, T.I. Mayorova, V.K. Oikonomou","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-10-03T18:13:49Z","title":"Kinetic Scalar Curvature Extended $f(R)$ Gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.01900","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:5f7e032962c42d703ae1ec03eb96d9c8fbdf12ef3489c2542fd60487ee9bc854","target":"record","created_at":"2026-05-18T00:00:47Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"0d283df863104ac5d5cf4c717cef6addff9f1441958f18c3fce12c0337f8f6f2","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-10-03T18:13:49Z","title_canon_sha256":"f167116dbde28cdc83d944db1a7f1ae95d364f34dfb61fc1e764cb29a0c32404"},"schema_version":"1.0","source":{"id":"1810.01900","kind":"arxiv","version":1}},"canonical_sha256":"1a88be710c62272ee5a8132555c90e50f40064755e6cfee63e41b59e851e3960","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a88be710c62272ee5a8132555c90e50f40064755e6cfee63e41b59e851e3960","first_computed_at":"2026-05-18T00:00:47.634805Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:47.634805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kEJkUNcDqj/feS1SdMhIF3KgH8TYlUViDqaBFyATZUGHDMTE63W1wrY1xIrD+8kxWN1oU5z8A2F8I9Hu2md1AA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:47.635301Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.01900","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f7e032962c42d703ae1ec03eb96d9c8fbdf12ef3489c2542fd60487ee9bc854","sha256:69a370567330c2e18104a7f5fe7208b8a7317ab5020834ab96cb10778e6c3470"],"state_sha256":"dfd017b74fbae79690d60da403dc61114473416ee9a79865ecbdb216a8414ffd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5otPxujh1F656XbBNtJNuHwb8Ux+wp0AeBxcwX40N/FMbeyGIpQq5qK30mYIpaj7/61ryfGVWmhH5X1V6zHjCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T15:27:27.629716Z","bundle_sha256":"5ab6d84ada433db8e7dfea19ebc14ad04b706369218233deae274ff82164676e"}}